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Finding the Fourth Proportional to 11,859.60, 17,788.20 and 3,094.53

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Solution

The fourth proportional to 11,859.60, 17,788.20 and 3,094.53 is: 4,641.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,859.60 : 17,788.20 = 3,094.53 : x
  2. Step 2: Convert to fraction form
    11,859.60/17,788.20 = 3,094.53/x
  3. Step 3: Cross multiply
    11,859.60x = 17,788.20 × 3,094.53
  4. Step 4: Simplify right side
    11,859.60x = 55,046,118.55
  5. Step 5: Solve for x
    x = 55,046,118.55/11,859.60
  6. Step 6: Final answer
    x = 4,641.48

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.